Claus and Lavie participate in an eight-hour endurance vanship race, and are joined by Dio Eraclea who tries to befriend Claus. Tatiana also participates in the race, but she is actually on a secret mission under Alex Row’s direction.

Claus and Tatiana are thrown together to fly a vanship to defend the Silvana from a massive attack orchestrated by Anatoray and Tatiana begins to confide in Claus when the two make an emergency landing.

Claus and Lavie's fathers died attempting to cross the Grand Stream to deliver a message from Anatoray to Disith. Empress Sophia obtains a copy of the original message and discovers it suggested the two empires join forces to defeat the Guild!

Claus and Dio return to Silvana from their vanship expedition to search for the Exile, only to find that Silvana had been hijacked by the Guild. Delphine holds Alvis, Claus and Alex Row hostage and takes them to the Guild ship.

With Lucciola's help, Claus, Alvis and Dio escape the Guild ship while Delphine continues to hold Alex Row hostage and tortures him. Anatoray and Disith continue to wage an all-out war against the Guild and many sacrifice their lives.